/*
* call-seq:
* index.conflict_remove(path) -> nil
*
* Removes the index entries that represent the conflict at +path+.
*/
static VALUE rb_git_conflict_remove(VALUE self, VALUE rb_path)
{
git_index *index;
int error;
Check_Type(rb_path, T_STRING);
Data_Get_Struct(self, git_index, index);
error = git_index_conflict_remove(index, StringValueCStr(rb_path));
rugged_exception_check(error);
return Qnil;
}
void test_index_conflicts__remove(void)
{
const git_index_entry *entry;
size_t i;
cl_assert(git_index_entrycount(repo_index) == 8);
cl_git_pass(git_index_conflict_remove(repo_index, "conflicts-one.txt"));
cl_assert(git_index_entrycount(repo_index) == 5);
for (i = 0; i < git_index_entrycount(repo_index); i++) {
cl_assert(entry = git_index_get_byindex(repo_index, i));
cl_assert(strcmp(entry->path, "conflicts-one.txt") != 0);
}
cl_git_pass(git_index_conflict_remove(repo_index, "conflicts-two.txt"));
cl_assert(git_index_entrycount(repo_index) == 2);
for (i = 0; i < git_index_entrycount(repo_index); i++) {
cl_assert(entry = git_index_get_byindex(repo_index, i));
cl_assert(strcmp(entry->path, "conflicts-two.txt") != 0);
}
}
int git_reset_default(
git_repository *repo,
const git_object *target,
const git_strarray* pathspecs)
{
git_object *commit = NULL;
git_tree *tree = NULL;
git_diff *diff = NULL;
git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
size_t i, max_i;
git_index_entry entry;
int error;
git_index *index = NULL;
assert(pathspecs != NULL && pathspecs->count > 0);
memset(&entry, 0, sizeof(git_index_entry));
if ((error = git_repository_index(&index, repo)) < 0)
goto cleanup;
if (target) {
if (git_object_owner(target) != repo) {
giterr_set(GITERR_OBJECT,
"%s_default - The given target does not belong to this repository.", ERROR_MSG);
return -1;
}
if ((error = git_object_peel(&commit, target, GIT_OBJECT_COMMIT)) < 0 ||
(error = git_commit_tree(&tree, (git_commit *)commit)) < 0)
goto cleanup;
}
opts.pathspec = *pathspecs;
opts.flags = GIT_DIFF_REVERSE;
if ((error = git_diff_tree_to_index(
&diff, repo, tree, index, &opts)) < 0)
goto cleanup;
for (i = 0, max_i = git_diff_num_deltas(diff); i < max_i; ++i) {
const git_diff_delta *delta = git_diff_get_delta(diff, i);
assert(delta->status == GIT_DELTA_ADDED ||
delta->status == GIT_DELTA_MODIFIED ||
delta->status == GIT_DELTA_CONFLICTED ||
delta->status == GIT_DELTA_DELETED);
error = git_index_conflict_remove(index, delta->old_file.path);
if (error < 0) {
if (delta->status == GIT_DELTA_ADDED && error == GIT_ENOTFOUND)
giterr_clear();
else
goto cleanup;
}
if (delta->status == GIT_DELTA_DELETED) {
if ((error = git_index_remove(index, delta->old_file.path, 0)) < 0)
goto cleanup;
} else {
entry.mode = delta->new_file.mode;
git_oid_cpy(&entry.id, &delta->new_file.id);
entry.path = (char *)delta->new_file.path;
if ((error = git_index_add(index, &entry)) < 0)
goto cleanup;
}
}
error = git_index_write(index);
cleanup:
git_object_free(commit);
git_tree_free(tree);
git_index_free(index);
git_diff_free(diff);
return error;
}
static int try_to_git_merge(git_repository *repo, git_reference *local, git_reference *remote, git_oid *base, const git_oid *local_id, const git_oid *remote_id)
{
git_tree *local_tree, *remote_tree, *base_tree;
git_commit *local_commit, *remote_commit, *base_commit;
git_index *merged_index;
git_merge_options merge_options;
if (verbose) {
char outlocal[41], outremote[41];
outlocal[40] = outremote[40] = 0;
git_oid_fmt(outlocal, local_id);
git_oid_fmt(outremote, remote_id);
fprintf(stderr, "trying to merge local SHA %s remote SHA %s\n", outlocal, outremote);
}
git_merge_init_options(&merge_options, GIT_MERGE_OPTIONS_VERSION);
#ifdef USE_LIBGIT23_API
merge_options.tree_flags = GIT_MERGE_TREE_FIND_RENAMES;
#else
merge_options.flags = GIT_MERGE_TREE_FIND_RENAMES;
#endif
merge_options.file_favor = GIT_MERGE_FILE_FAVOR_UNION;
merge_options.rename_threshold = 100;
if (git_commit_lookup(&local_commit, repo, local_id))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: can't get commit (%s)"), giterr_last()->message);
if (git_commit_tree(&local_tree, local_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: failed local tree lookup (%s)"), giterr_last()->message);
if (git_commit_lookup(&remote_commit, repo, remote_id))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: can't get commit (%s)"), giterr_last()->message);
if (git_commit_tree(&remote_tree, remote_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: failed remote tree lookup (%s)"), giterr_last()->message);
if (git_commit_lookup(&base_commit, repo, base))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: can't get commit: (%s)"), giterr_last()->message);
if (git_commit_tree(&base_tree, base_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: failed base tree lookup: (%s)"), giterr_last()->message);
if (git_merge_trees(&merged_index, repo, base_tree, local_tree, remote_tree, &merge_options))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: merge failed (%s)"), giterr_last()->message);
if (git_index_has_conflicts(merged_index)) {
int error;
const git_index_entry *ancestor = NULL,
*ours = NULL,
*theirs = NULL;
git_index_conflict_iterator *iter = NULL;
error = git_index_conflict_iterator_new(&iter, merged_index);
while (git_index_conflict_next(&ancestor, &ours, &theirs, iter)
!= GIT_ITEROVER) {
/* Mark this conflict as resolved */
fprintf(stderr, "conflict in %s / %s / %s -- ",
ours ? ours->path : "-",
theirs ? theirs->path : "-",
ancestor ? ancestor->path : "-");
if ((!ours && theirs && ancestor) ||
(ours && !theirs && ancestor)) {
// the file was removed on one side or the other - just remove it
fprintf(stderr, "looks like a delete on one side; removing the file from the index\n");
error = git_index_remove(merged_index, ours ? ours->path : theirs->path, GIT_INDEX_STAGE_ANY);
} else {
error = git_index_conflict_remove(merged_index, ours ? ours->path : theirs ? theirs->path : ancestor->path);
}
if (error) {
fprintf(stderr, "error at conflict resplution (%s)", giterr_last()->message);
}
}
git_index_conflict_cleanup(merged_index);
git_index_conflict_iterator_free(iter);
report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: merge conflict - manual intervention needed"));
}
git_oid merge_oid, commit_oid;
git_tree *merged_tree;
git_signature *author;
git_commit *commit;
if (git_index_write_tree_to(&merge_oid, merged_index, repo))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: writing the tree failed (%s)"), giterr_last()->message);
if (git_tree_lookup(&merged_tree, repo, &merge_oid))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: tree lookup failed (%s)"), giterr_last()->message);
if (git_signature_default(&author, repo) < 0)
return report_error(translate("gettextFromC", "Failed to get author: (%s)"), giterr_last()->message);
if (git_commit_create_v(&commit_oid, repo, NULL, author, author, NULL, "automatic merge", merged_tree, 2, local_commit, remote_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: git commit create failed (%s)"), giterr_last()->message);
if (git_commit_lookup(&commit, repo, &commit_oid))
return report_error(translate("gettextFromC", "Error: could not lookup the merge commit I just created (%s)"), giterr_last()->message);
if (git_branch_is_head(local) && !git_repository_is_bare(repo)) {
git_object *parent;
git_reference_peel(&parent, local, GIT_OBJ_COMMIT);
if (update_git_checkout(repo, parent, merged_tree)) {
report_error("Warning: checked out branch is inconsistent with git data");
}
}
if (git_reference_set_target(&local, local, &commit_oid, "Subsurface merge event"))
return report_error("Error: failed to update branch (%s)", giterr_last()->message);
set_git_id(&commit_oid);
git_signature_free(author);
return 0;
}
static int try_to_git_merge(git_repository *repo, git_reference **local_p, git_reference *remote, git_oid *base, const git_oid *local_id, const git_oid *remote_id)
{
UNUSED(remote);
git_tree *local_tree, *remote_tree, *base_tree;
git_commit *local_commit, *remote_commit, *base_commit;
git_index *merged_index;
git_merge_options merge_options;
if (verbose) {
char outlocal[41], outremote[41];
outlocal[40] = outremote[40] = 0;
git_oid_fmt(outlocal, local_id);
git_oid_fmt(outremote, remote_id);
fprintf(stderr, "trying to merge local SHA %s remote SHA %s\n", outlocal, outremote);
}
git_merge_init_options(&merge_options, GIT_MERGE_OPTIONS_VERSION);
#if !LIBGIT2_VER_MAJOR && LIBGIT2_VER_MINOR > 23
merge_options.flags = GIT_MERGE_FIND_RENAMES;
#else
merge_options.tree_flags = GIT_MERGE_TREE_FIND_RENAMES;
#endif
merge_options.file_favor = GIT_MERGE_FILE_FAVOR_UNION;
merge_options.rename_threshold = 100;
if (git_commit_lookup(&local_commit, repo, local_id)) {
fprintf(stderr, "Remote storage and local data diverged. Error: can't get commit (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_tree(&local_tree, local_commit)) {
fprintf(stderr, "Remote storage and local data diverged. Error: failed local tree lookup (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_lookup(&remote_commit, repo, remote_id)) {
fprintf(stderr, "Remote storage and local data diverged. Error: can't get commit (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_tree(&remote_tree, remote_commit)) {
fprintf(stderr, "Remote storage and local data diverged. Error: failed local tree lookup (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_lookup(&base_commit, repo, base)) {
fprintf(stderr, "Remote storage and local data diverged. Error: can't get commit (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_tree(&base_tree, base_commit)) {
fprintf(stderr, "Remote storage and local data diverged. Error: failed base tree lookup (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_merge_trees(&merged_index, repo, base_tree, local_tree, remote_tree, &merge_options)) {
fprintf(stderr, "Remote storage and local data diverged. Error: merge failed (%s)", giterr_last()->message);
// this is the one where I want to report more detail to the user - can't quite explain why
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: merge failed (%s)"), giterr_last()->message);
}
if (git_index_has_conflicts(merged_index)) {
int error;
const git_index_entry *ancestor = NULL,
*ours = NULL,
*theirs = NULL;
git_index_conflict_iterator *iter = NULL;
error = git_index_conflict_iterator_new(&iter, merged_index);
while (git_index_conflict_next(&ancestor, &ours, &theirs, iter)
!= GIT_ITEROVER) {
/* Mark this conflict as resolved */
fprintf(stderr, "conflict in %s / %s / %s -- ",
ours ? ours->path : "-",
theirs ? theirs->path : "-",
ancestor ? ancestor->path : "-");
if ((!ours && theirs && ancestor) ||
(ours && !theirs && ancestor)) {
// the file was removed on one side or the other - just remove it
fprintf(stderr, "looks like a delete on one side; removing the file from the index\n");
error = git_index_remove(merged_index, ours ? ours->path : theirs->path, GIT_INDEX_STAGE_ANY);
} else if (ancestor) {
error = git_index_conflict_remove(merged_index, ours ? ours->path : theirs ? theirs->path : ancestor->path);
}
if (error) {
fprintf(stderr, "error at conflict resplution (%s)", giterr_last()->message);
}
}
git_index_conflict_cleanup(merged_index);
git_index_conflict_iterator_free(iter);
report_error(translate("gettextFromC", "Remote storage and local data diverged. Cannot combine local and remote changes"));
}
git_oid merge_oid, commit_oid;
git_tree *merged_tree;
git_signature *author;
git_commit *commit;
if (git_index_write_tree_to(&merge_oid, merged_index, repo))
goto write_error;
if (git_tree_lookup(&merged_tree, repo, &merge_oid))
goto write_error;
if (git_signature_default(&author, repo) < 0)
if (git_signature_now(&author, "Subsurface", "noemail@given") < 0)
goto write_error;
if (git_commit_create_v(&commit_oid, repo, NULL, author, author, NULL, "automatic merge", merged_tree, 2, local_commit, remote_commit))
goto write_error;
if (git_commit_lookup(&commit, repo, &commit_oid))
goto write_error;
if (git_branch_is_head(*local_p) && !git_repository_is_bare(repo)) {
git_object *parent;
git_reference_peel(&parent, *local_p, GIT_OBJ_COMMIT);
if (update_git_checkout(repo, parent, merged_tree)) {
goto write_error;
}
}
if (git_reference_set_target(local_p, *local_p, &commit_oid, "Subsurface merge event"))
goto write_error;
set_git_id(&commit_oid);
git_signature_free(author);
if (verbose)
fprintf(stderr, "Successfully merged repositories");
return 0;
diverged_error:
return report_error(translate("gettextFromC", "Remote storage and local data diverged"));
write_error:
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: writing the data failed (%s)"), giterr_last()->message);
}
void Index::removeConflict(const std::string& path)
{
Exception::git2_assert(git_index_conflict_remove(data(), path.c_str()));
}
void test_rebase_inmemory__can_resolve_conflicts(void)
{
git_rebase *rebase;
git_reference *branch_ref, *upstream_ref;
git_annotated_commit *branch_head, *upstream_head;
git_rebase_operation *rebase_operation;
git_status_list *status_list;
git_oid pick_id, commit_id, expected_commit_id;
git_signature *signature;
git_index *repo_index;
git_index_entry resolution = {{0}};
git_rebase_options opts = GIT_REBASE_OPTIONS_INIT;
cl_git_pass(git_signature_new(&signature,
"Rebaser", "*****@*****.**", 1405694510, 0));
opts.inmemory = true;
cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/asparagus"));
cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/master"));
cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &opts));
cl_git_pass(git_rebase_next(&rebase_operation, rebase));
git_oid_fromstr(&pick_id, "33f915f9e4dbd9f4b24430e48731a59b45b15500");
cl_assert_equal_i(GIT_REBASE_OPERATION_PICK, rebase_operation->type);
cl_assert_equal_oid(&pick_id, &rebase_operation->id);
/* ensure that we did not do anything stupid to the workdir or repo index */
cl_git_pass(git_repository_index(&repo_index, repo));
cl_assert(!git_index_has_conflicts(repo_index));
cl_git_pass(git_status_list_new(&status_list, repo, NULL));
cl_assert_equal_i(0, git_status_list_entrycount(status_list));
/* but that the index returned from rebase does have conflicts */
cl_assert(git_index_has_conflicts(rebase_operation->index));
cl_git_fail_with(GIT_EUNMERGED, git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
/* ensure that we can work with the in-memory index to resolve the conflict */
resolution.path = "asparagus.txt";
resolution.mode = GIT_FILEMODE_BLOB;
git_oid_fromstr(&resolution.id, "414dfc71ead79c07acd4ea47fecf91f289afc4b9");
cl_git_pass(git_index_conflict_remove(rebase_operation->index, "asparagus.txt"));
cl_git_pass(git_index_add(rebase_operation->index, &resolution));
/* and finally create a commit for the resolved rebase operation */
cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
cl_git_pass(git_oid_fromstr(&expected_commit_id, "db7af47222181e548810da2ab5fec0e9357c5637"));
cl_assert_equal_oid(&commit_id, &expected_commit_id);
git_signature_free(signature);
git_status_list_free(status_list);
git_annotated_commit_free(branch_head);
git_annotated_commit_free(upstream_head);
git_reference_free(branch_ref);
git_reference_free(upstream_ref);
git_index_free(repo_index);
git_rebase_free(rebase);
}
